Answer:
4ab² + 20b - 3a
Step-by-step explanation:
This question most likely asks us to simplify the expression, as factoring is not possible...
(ab² + 13b - 4a) + (3ab² + a + 7b),
ab² + 13b - 4a + 3ab² + a + 7b,
ab² + 3ab² + 13b + 7b - 4a + a,
Solution : 4ab² + 20b - 3a
Answer:
I believe it would cost 9 cents per cubic foot of gas.
Step-by-step explanation:
Please insert a picture of the question
You shade below the line or above depending on the sign (graphing inequalities). > means above. < means below.